Home / 140,762.04-211,156.80-40,923

Finding the Fourth Proportional to 140,762.04, 211,156.80 and 40,923

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Solution

The fourth proportional to 140,762.04, 211,156.80 and 40,923 is: 61,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,762.04 : 211,156.80 = 40,923 : x
  2. Step 2: Convert to fraction form
    140,762.04/211,156.80 = 40,923/x
  3. Step 3: Cross multiply
    140,762.04x = 211,156.80 × 40,923
  4. Step 4: Simplify right side
    140,762.04x = 8,641,169,726.40
  5. Step 5: Solve for x
    x = 8,641,169,726.40/140,762.04
  6. Step 6: Final answer
    x = 61,388.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.